Plants — 23,508 Species
Top Families in Plants
All Plants Species
Hedge mustard
Sisymbrium officinale (L.) Scop.
Sisymbrium officinale, or hedge-mustard, is an edible plant used in traditional and herbal medicine for throat and chest issues.
eastern rocket
Sisymbrium orientale L.
Sisymbrium orientale is an annual flowering mustard, native to Eurasia and North Africa, widely introduced as a roadside weed elsewhere.
Russian Mustard
Sisymbrium volgense M.Bieb. ex E.Fourn.
Sisymbrium volgense is a flowering Brassicaceae species native from southwestern European Russia to the Caucasus.
white blue-eyed grass
Sisyrinchium albidum Raf.
White blue-eyed grass (Sisyrinchium albidum) is an iridaceous flowering plant native mostly to eastern North America.
narrow-leaved blue-eyed grass
Sisyrinchium angustifolium Mill.
Sisyrinchium angustifolium Mill. is a blue-flowered herb found in North American open woodlands and meadows that flowers from January to May.
western blue-eyed grass
Sisyrinchium bellum S.Watson
Sisyrinchium bellum is a small flowering plant with traditional uses by Native American peoples, suited to moderate cultivation.
Golden-eyed Grass
Sisyrinchium californicum (Ker Gawl.) Dryand.
Sisyrinchium californicum is a yellow-flowered rhizomatous perennial herb with grasslike leaves and dark dried foliage.
prairie blue-eyed grass
Sisyrinchium campestre E.P.Bicknell
Sisyrinchium campestre (prairie blue-eyed grass) is a small drought-tolerant iris-family perennial native to central North American prairies.
Idaho Blue-eyed Grass
Sisyrinchium idahoense E.P.Bicknell
Sisyrinchium idahoense is a flowering plant found in moist habitats, with grass-like leaves and usually blue-toned yellow-throated flowers.
Blue Pigroot
Sisyrinchium micranthum Cav.
Sisyrinchium micranthum Cav. is a grass-like iridaceous wildflower native to the Americas, widely naturalized elsewhere.
strict blue-eyed grass
Sisyrinchium montanum Greene
Sisyrinchium montanum Greene is a herbaceous perennial clumping plant with purplish flowers and small black seeds.
Roadside Blue-eyed Grass
Sisyrinchium pruinosum E.P.Bicknell
Sisyrinchium pruinosum is a delicate clumped perennial blue-eyed grass with purple-blue flowers that grows in open North American habitats.
Jeweled Blue-eyed Grass
Sisyrinchium xerophyllum Greene
Sisyrinchium xerophyllum is a threatened endemic perennial herb found in sandy Florida scrub and sandhill habitats.
hay-scented fern
Sitobolium punctilobum (Poir.) Desv.
Sitobolium punctilobum is a deciduous hay-scented fern native to eastern North America that impacts forest understory growth.
Greater Water-parsnip
Sium latifolium L.
Sium latifolium is a perennial wet-growing Apiaceae herb native to Europe, Kazakhstan, and Siberia, with human culinary uses.
water parsnip
Sium suave Walter
Sium suave, or water parsnip, is a wetland native flowering plant to North America and Asia with edible and medicinal uses.
Sweet scabious
Sixalix atropurpurea (L.) Greuter & Burdet
Sixalix atropurpurea is a southern European flowering plant grown as a cut flower, preferring cool, well-drained alkaline soils.
Japanese Skimmia
Skimmia japonica Thunb.
Skimmia japonica Thunb. is a dioecious evergreen shrub native to East Asia, widely cultivated as an ornamental.
bear's foot
Smallanthus uvedalia (L.) Mack. ex Small
Smallanthus uvedalia, commonly called hairy leafcup, is a tall plant with yellow flowers and a distinct resinous odor.
American Smelowskia
Smelowskia americana (Regel & Herder) Rydb.
Smelowskia americana is a perennial rhizomatous mat-forming herb with white or pale purple four-petaled flowers.
Leg-Ripper
Smilax anceps Willd.
Smilax anceps is a prickly scrambling vine or shrub native to parts of Africa, nearby islands, and Madagascar.
Rough Bindweed
Smilax aspera L.
Smilax aspera L. is a perennial thorny evergreen climber distributed across Africa, Asia, and Mediterranean Europe.
Earleaf Greenbrier
Smilax auriculata Walter
Smilax auriculata is a North American climbing evergreen perennial vine native to the Bahamas, Turks & Caicos, and the southeastern US.
Austral Sarsaparilla
Smilax australis R.Br.
Smilax australis is an endemic Australian prickly climbing vine in the Smilacaceae family found in multiple eastern Australian habitats and locations.
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